How many CVEs have patched read_overlay_spec?

1 published CVEs changed read_overlay_spec in strukturag/libheif, in 1 distinct patches totalling 11 changed lines, between 2026 and 2026.

What is the latest CVE that changed read_overlay_spec?

CVE-2026-84447 (libheif: Derived-image indirect reference chains and tiled offsets bypass decode caching and MemoryHandle limits, causing CPU/memory amplification DoS), published 2026-09-18, changed lines 255 to 265 of libheif/image-items/overlay.cc.

How does read_overlay_spec compare to the rest of strukturag/libheif?

strukturag/libheif has 27 CVEs with a located fix in total; 1 of them changed read_overlay_spec.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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strukturag/libheif

Function

read_overlay_spec

Name: read_overlay_spec in strukturag/libheif: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

libheif/image-items/overlay.cc

Last patched September 18, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

11

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

read_overlay_spec in strukturag/libheif was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 11 lines in total.

strukturag/libheif has 27 CVEs with a located fix in total, so 4% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed read_overlay_spec, newest first, with the lines each fix touched.

libheif: Derived-image indirect reference chains and tiled offsets bypass decode caching and MemoryHandle limits, causing CPU/memory amplification DoS
CVE-2026-84447 · lines 255–265 · +11 −0
High · CVSS 7.5
EPSS 0.5%2026-09-18

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Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

Functions in strukturag/libheif changed by the most CVE fixes.

overlay3 CVEs · libheif/pixelimage.cc decode_image3 CVEs · libheif/image-items/image_item.cc get_compressed_image_data_uncompressed3 CVEs · libheif/codecs/uncompressed/unc_decoder.cc load3 CVEs · libheif/sequences/track.cc left_rounded2 CVEs · libheif/box.cc get_heif_image_tiling2 CVEs · libheif/image-items/image_item.cc

All patched functions in strukturag/libheif

Frequently asked questions

Common questions about CVE fixes to read_overlay_spec.

How many CVEs have patched read_overlay_spec?: 1 published CVEs changed read_overlay_spec in strukturag/libheif, in 1 distinct patches totalling 11 changed lines, between 2026 and 2026.
What is the latest CVE that changed read_overlay_spec?: CVE-2026-84447 (libheif: Derived-image indirect reference chains and tiled offsets bypass decode caching and MemoryHandle limits, causing CPU/memory amplification DoS), published 2026-09-18, changed lines 255 to 265 of libheif/image-items/overlay.cc.
How does read_overlay_spec compare to the rest of strukturag/libheif?: strukturag/libheif has 27 CVEs with a located fix in total; 1 of them changed read_overlay_spec.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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