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CVE-2026-12892

Medium priority
Needs evaluation

A flaw was found in GStreamer's gst-plugins-bad package. When processing a specially crafted H.264 video file containing malformed MVC or SVC extension slice NAL units, a 1-byte heap out-of-bounds read can occur during parsing....

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-12891

Medium priority
Needs evaluation

A flaw was found in the GStreamer gst-plugins-bad package. When processing a malformed H.266/VVC video stream with a crafted aspect ratio indicator value, the H.266 parser performs an out-of-bounds read of up to 8 bytes from...

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-52722

Medium priority
Needs evaluation

A signed integer overflow vulnerability was found in GStreamer's VMnc decoder. A crafted VMnc stream with large cursor dimensions can overflow signed integer payload-size arithmetic, bypassing a length check and leading to...

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-52721

Medium priority
Needs evaluation

Multiple out-of-bounds read vulnerabilities were found in GStreamer's pcapparse element. Malformed PCAP records can trigger reads beyond buffer boundaries during IPv4/TCP header parsing. This element is primarily used in debugging...

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-52720

Medium priority
Needs evaluation

A heap buffer overflow vulnerability was found in GStreamer's librfb (RFB/VNC client). The rectangle bounds check incorrectly validates area rather than individual dimensions, allowing a malicious VNC server to send a rectangle...

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-52719

Medium priority
Needs evaluation

An out-of-bounds read vulnerability was found in the VA JPEG decoder in GStreamer's gst-plugins-bad. The JPEG parser reads a segment length value from the bitstream without validating it against available data. A remote attacker...

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-52718

Medium priority
Needs evaluation

A denial of service vulnerability was found in GStreamer's AV1 codec parser in gst-plugins-bad. The gst_av1_parser_parse_tile_list_obu() function passes a byte count to a bit-reader API that expects a bit count, causing parser...

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-53702

Medium priority

Some fixes available 1 of 7

A stack buffer overflow flaw was found in the GStreamer H.265 codec parser library (gst-plugins-bad). When parsing a buffering period SEI message, the parser uses an incorrect loop bound derived from cpb_cnt_minus1[i] (the loop...

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Fixed Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-53701

Medium priority

Some fixes available 1 of 7

An out-of-bounds write vulnerability was found in GStreamer's H.266/VVC PPS picture partition parser in gst-plugins-bad. In the multi-slice-in-tile processing of gst_h266_parser_parse_picture_partition() (gsth266parser.c), the...

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Fixed Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-1940

Medium priority
Needs evaluation

An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The patch added a size validation check lsize + 8 > size, but it does not account for the GST_ROUND_UP_2(lsize) used in the...

1 affected package

gst-plugins-bad1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
gst-plugins-bad1.0 Not affected Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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